We can say that objective it. It's it is an incredible talent. And if it sounds -- especially that -- I I believe it can move on to tears. What's -- used his piano not just for practicing -- really -- concert instrument. And a -- -- -- that was it is his son in 1785. He was really astonished that there were fourteen concerts within just three weeks and so. The instrument -- taking out. Practically every other day. Carried through the city and to -- concert venue and brought back in the evening. So room -- the instrument -- had hard times then. Well it's saying you know since to know what it might have sounded like much I actually wrote the music since he's been here. Books -- music played on the water you know which is quite different. And.

This transcript has been automatically generated and may not be 100% accurate.

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